AU2015295602B2 - Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions - Google Patents

Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions Download PDF

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Publication number
AU2015295602B2
AU2015295602B2 AU2015295602A AU2015295602A AU2015295602B2 AU 2015295602 B2 AU2015295602 B2 AU 2015295602B2 AU 2015295602 A AU2015295602 A AU 2015295602A AU 2015295602 A AU2015295602 A AU 2015295602A AU 2015295602 B2 AU2015295602 B2 AU 2015295602B2
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window
overlap portion
asymmetric
overlap
length
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AU2015295602A1 (en
Inventor
Guillaume Fuchs
Markus Multrus
Matthias Neusinger
Andreas NIEDERMEIER
Markus Schnell
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0272—Voice signal separating
    • G10L21/028—Voice signal separating using properties of sound source
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Image Analysis (AREA)
  • Complex Calculations (AREA)
AU2015295602A 2014-07-28 2015-07-24 Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions Active AU2015295602B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14178774.7A EP2980791A1 (fr) 2014-07-28 2014-07-28 Processeur, procédé et programme d'ordinateur de traitement d'un signal audio à l'aide de portions de chevauchement de fenêtre de synthèse ou d'analyse tronquée
EP14178774.7 2014-07-28
PCT/EP2015/066997 WO2016016120A1 (fr) 2014-07-28 2015-07-24 Processeur, procédé et programme informatique de traitement d'un signal audio au moyen de parties de chevauchement tronquées de fenêtres d'analyse et de synthèse

Publications (2)

Publication Number Publication Date
AU2015295602A1 AU2015295602A1 (en) 2017-03-16
AU2015295602B2 true AU2015295602B2 (en) 2018-08-16

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AU2015295602A Active AU2015295602B2 (en) 2014-07-28 2015-07-24 Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions

Country Status (18)

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US (3) US10262666B2 (fr)
EP (4) EP2980791A1 (fr)
JP (3) JP6612846B2 (fr)
KR (1) KR102006897B1 (fr)
CN (2) CN113990333B (fr)
AR (1) AR102037A1 (fr)
AU (1) AU2015295602B2 (fr)
CA (1) CA2956010C (fr)
ES (3) ES2986028T3 (fr)
FI (1) FI3584792T3 (fr)
MX (1) MX369755B (fr)
MY (1) MY192272A (fr)
PL (3) PL4191582T3 (fr)
PT (2) PT3584792T (fr)
RU (1) RU2677385C2 (fr)
SG (1) SG11201700694PA (fr)
TW (1) TWI581252B (fr)
WO (1) WO2016016120A1 (fr)

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EP2980791A1 (fr) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Processeur, procédé et programme d'ordinateur de traitement d'un signal audio à l'aide de portions de chevauchement de fenêtre de synthèse ou d'analyse tronquée
US9959877B2 (en) 2016-03-18 2018-05-01 Qualcomm Incorporated Multi channel coding
JP6976277B2 (ja) * 2016-06-22 2021-12-08 ドルビー・インターナショナル・アーベー 第一の周波数領域から第二の周波数領域にデジタル・オーディオ信号を変換するためのオーディオ・デコーダおよび方法
US10249307B2 (en) 2016-06-27 2019-04-02 Qualcomm Incorporated Audio decoding using intermediate sampling rate
EP3483879A1 (fr) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Fonction de fenêtrage d'analyse/de synthèse pour une transformation chevauchante modulée
CN108847258B (zh) * 2018-06-10 2021-06-04 北京酷我科技有限公司 一种截取音频控件的实现方法
WO2020094263A1 (fr) * 2018-11-05 2020-05-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Appareil et processeur de signal audio, pour fournir une représentation de signal audio traité, décodeur audio, codeur audio, procédés et programmes informatiques
CN111402917B (zh) * 2020-03-13 2023-08-04 北京小米松果电子有限公司 音频信号处理方法及装置、存储介质
CN112309425B (zh) * 2020-10-14 2024-08-30 浙江大华技术股份有限公司 一种声音变调方法、电子设备及计算机可读存储介质

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JP3518737B2 (ja) 1999-10-25 2004-04-12 日本ビクター株式会社 オーディオ符号化装置、オーディオ符号化方法、及びオーディオ符号化信号記録媒体
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Also Published As

Publication number Publication date
US10262666B2 (en) 2019-04-16
RU2677385C2 (ru) 2019-01-16
RU2017106179A3 (fr) 2018-08-28
JP2022091803A (ja) 2022-06-21
US11664036B2 (en) 2023-05-30
CN107077854B (zh) 2021-06-22
PT3584792T (pt) 2023-04-17
MY192272A (en) 2022-08-15
ES2986028T3 (es) 2024-11-08
CN113990333A (zh) 2022-01-28
JP7043113B2 (ja) 2022-03-29
JP2017526005A (ja) 2017-09-07
TWI581252B (zh) 2017-05-01
EP3584792B1 (fr) 2023-01-11
JP7420848B2 (ja) 2024-01-23
CN113990333B (zh) 2026-01-27
FI3584792T3 (fi) 2023-04-04
EP4191582C0 (fr) 2024-06-19
CA2956010C (fr) 2020-03-24
US10902861B2 (en) 2021-01-26
US20170140768A1 (en) 2017-05-18
RU2017106179A (ru) 2018-08-28
ES2940783T3 (es) 2023-05-11
AU2015295602A1 (en) 2017-03-16
BR112017001630A2 (pt) 2017-11-21
EP3175448A1 (fr) 2017-06-07
MX2017001239A (es) 2017-07-07
TW201618082A (zh) 2016-05-16
MX369755B (es) 2019-11-20
JP2020046671A (ja) 2020-03-26
AR102037A1 (es) 2017-02-01
CA2956010A1 (fr) 2016-02-04
ES2751275T3 (es) 2020-03-31
CN107077854A (zh) 2017-08-18
EP3175448B1 (fr) 2019-09-04
EP4191582B1 (fr) 2024-06-19
KR102006897B1 (ko) 2019-08-02
EP3584792A1 (fr) 2019-12-25
SG11201700694PA (en) 2017-02-27
PL4191582T3 (pl) 2024-11-04
WO2016016120A1 (fr) 2016-02-04
EP4191582A1 (fr) 2023-06-07
US20210134308A1 (en) 2021-05-06
PT3175448T (pt) 2019-12-09
KR20170033883A (ko) 2017-03-27
PL3175448T3 (pl) 2020-03-31
EP2980791A1 (fr) 2016-02-03
PL3584792T3 (pl) 2023-05-08
US20190198030A1 (en) 2019-06-27
JP6612846B2 (ja) 2019-11-27

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